A tapeworm is a parasite that lives in the intestines of humans and animals.Some tapeworms attach themselves to the intestinal wall by means of suckers in their heads.Others float freely in the intestines and absorb food through the walls of their bodies. A tapeworm consists of numerous segments.When a new segments forms,the older ones move to the back of the animal.Each segment contains hermaphroditic sexual organs(that is,male and female organs).The uterus of each segment fills with eggs which develop into embrios.Generally,when the eggs are ready to hatch,the segment breaks off and is eliminated through the host's excretory system.These embryos hatch,develop into larvae,and grow to adults only if ingested by an intermediate host.
one may be infected by tapeworms by eating undercooked beef,pork,or fish,symtons include irregular appetite,abdominal discomfort,anemia,weaknes,and nervousness.
1.The passage implies that all of the following are true except
a.an embryo will cease to develop if not ingested by a host
b.a tateworm will continue to live even when segments break off
c.the segment farthest back on the tail is the oldest
d.tapeworms always float freely in the digestive system
pembahasan:The second sentence states that some tapeworms attach themselves to the intestinal wall;thus they do not float freely.
2.The word"eliminated"in line 12 is closest in meaning to
a.ingested
b.expelled
c.eaten
d.grown
pembahasan:The excretory system is responsible for removing waste from a body.Only choice(B)relates to elimination.
3.A hermaphrodite is
a.A tapeworm.
b.A segment containing an embrio
c.A being that contains male and female sexual organs
d.An animal made of segments
pembahasan:Paragraph 2,sentence 3,explains that a hermaphrodite has both male and female sexual organs.
4.The word"others"in line 4 refers.to
a.segments
b.embryos
c.eggs
d.tapeworms
pembahasan:The subject of the previous sentence is "some tapeworms."So"others"means"other tapeworms."
5.Which of following is probably not a symptom of tapeworm infestation?
a.unsual eating habits
b.excitability
c.deficiency of red blood cells
d.euphoria
pembahasan:Euphoria is not mentioned as a symptom.Irregular appetite,nervousness,and anemia,which mean the same as answer(A),(B),and(C),are mentioned.
6.Which of following statements is true?
a.a tapeworn uterus contains one egg
b.overcooked beef is a ccause of tapeworms
c.a male tapeworm must always be ingested before reproduction will occur
d.tapeworm vary in their methods of ingeting food.
pembahasan:We are told in paragraph 1 that some tapeworms attach themselves to the intestinal wall to feed,while others float freely and absorb food through their body walls
7.What would be the best title for this reading passage?
a.parasites
b.reproduction of the tapeworm
c.the tape worm,aharmful parasite
d.segmented parasites
pembahasan:The reading give general information about a particular parasite,the tapeworm.Choices(A)and(D)are too broad in scope,and choice(B)is too narrow.
8.Tapeworm attaches itself to the intestinal wall by
a.suction
b.liquid
c.food
d.teeth
pembahasan:Sentence 2 of paragraph 1 mentions that some tapewarms attach themselves by means of suckers in their heads.
9.In line 6,the word"segments"is closest in meaning to
a.types
b.sections
c.organs
d.worms
pembahasan:"A tapeworm consist of numerous segments"is the statement,so choices(A)and(D)do not make sense.The only organs mentioned in the passage are hermaphroditic sexual organs,and they are located in each segment,so choice(C)does not make sense."Segments"is nearest in meaning to"predicted".
REFERENCE:CLIFF
TOEFL PREPARATION GUIDE
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